default search action
Google
Google Scholar
Semantic Scholar
Internet Archive Scholar
CiteSeerX
ORCIDSivaram Ambikasaran
Person information
Refine list
refinements active!
zoomed in on ?? of ?? records
view refined list in
export refined list as
2020 – today
- 2025
[j12]Sivaram Ambikasaran, Ritesh Khan, Johannes Tausch, Sihao Wang:
A Hybrid Interpolation ACA Accelerated Method for Parabolic Boundary Integral Operators. SIAM J. Sci. Comput. 47(3): 1507- (2025)- 2024
- [j11]Vaishnavi Gujjula
, Sivaram Ambikasaran:
Algebraic Inverse Fast Multipole Method: A fast direct solver that is better than HODLR based fast direct solver. J. Comput. Phys. 497: 112627 (2024) - [j10]Ritesh Khan, V. A. Kandappan, Sivaram Ambikasaran:
HODLRdD: A new black-box fast algorithm for N-body problems in d-dimensions with guaranteed error bounds: Applications to integral equations and support vector machines. J. Comput. Phys. 501: 112786 (2024) - [j9]V. A. Kandappan, Vaishnavi Gujjula, Sivaram Ambikasaran:
HODLR3D: hierarchical matrices for N-body problems in three dimensions. Numer. Algorithms 97(4): 1635-1672 (2024) - [i14]Sivaram Ambikasaran, Ritesh Khan, Johannes Tausch, Sihao Wang:
A hybrid interpolation ACA accelerated method for parabolic boundary integral operators. CoRR abs/2408.04080 (2024) - 2023
- [j8]V. A. Kandappan, Vaishnavi Gujjula, Sivaram Ambikasaran:
HODLR2D: A New Class of Hierarchical Matrices. SIAM J. Sci. Comput. 45(5): 2382- (2023) - [i13]Vaishnavi Gujjula, Sivaram Ambikasaran:
Algebraic Inverse Fast Multipole Method: A fast direct solver that is better than HODLR based fast direct solver. CoRR abs/2301.12704 (2023) - [i12]V. A. Kandappan, Vaishnavi Gujjula, Sivaram Ambikasaran:
HODLR3D: Hierarchical matrices for N-body problems in three dimensions. CoRR abs/2307.16303 (2023) - [i11]Ritesh Khan, Sivaram Ambikasaran:
New algebraic fast algorithms for N-body problems in two and three dimensions. CoRR abs/2309.14085 (2023) - 2022
- [i10]Vaishnavi Gujjula, Sivaram Ambikasaran:
A new Nested Cross Approximation. CoRR abs/2203.14832 (2022) - [i9]Vaishnavi Gujjula, Sivaram Ambikasaran:
A new Directional Algebraic Fast Multipole Method based iterative solver for the Lippmann-Schwinger equation accelerated with HODLR preconditioner. CoRR abs/2204.00326 (2022) - [i8]V. A. Kandappan, Vaishnavi Gujjula, Sivaram Ambikasaran:
HODLR2D: A new class of Hierarchical matrices. CoRR abs/2204.05536 (2022) - [i7]Ritesh Khan, V. A. Kandappan, Sivaram Ambikasaran:
Numerical rank of singular kernel functions. CoRR abs/2209.05819 (2022)
2010 – 2019
- 2019
- [j7]Sivaram Ambikasaran, Karan Singh, Shyam Sankaran:
HODLRlib: A Library for Hierarchical Matrices. J. Open Source Softw. 4(34): 1167 (2019) - 2016
- [j6]Amirhossein Aminfar, Sivaram Ambikasaran, Eric Darve:
A fast block low-rank dense solver with applications to finite-element matrices. J. Comput. Phys. 304: 170-188 (2016) - [j5]Sivaram Ambikasaran, Daniel Foreman-Mackey, Leslie Greengard, David W. Hogg, Michael O'Neil:
Fast Direct Methods for Gaussian Processes. IEEE Trans. Pattern Anal. Mach. Intell. 38(2): 252-265 (2016) - [j4]Sivaram Ambikasaran, Carlos Borges, Lise-Marie Imbert-Gérard, Leslie Greengard:
Fast, Adaptive, High-Order Accurate Discretization of the Lippmann-Schwinger Equation in Two Dimensions. SIAM J. Sci. Comput. 38(3) (2016) - 2015
- [j3]Sivaram Ambikasaran:
Generalized Rybicki Press algorithm. Numer. Linear Algebra Appl. 22(6): 1102-1114 (2015) - 2014
- [j2]Jun Lai, Sivaram Ambikasaran, Leslie Greengard:
A Fast Direct Solver for High Frequency Scattering from a Large Cavity in Two Dimensions. SIAM J. Sci. Comput. 36(6) (2014) - [i6]Amirhossein Aminfar, Sivaram Ambikasaran, Eric Darve:
A Fast Block Low-Rank Dense Solver with Applications to Finite-Element Matrices. CoRR abs/1403.5337 (2014) - [i5]Jun Lai, Sivaram Ambikasaran, Leslie Greengard:
A fast direct solver for high frequency scattering from a large cavity in two dimensions. CoRR abs/1404.3451 (2014) - [i4]Judith Y. Li, Sivaram Ambikasaran, Eric Darve, Peter K. Kitanidis:
A Kalman filter powered by H2-matrices for quasi-continuous data assimilation problems. CoRR abs/1404.3816 (2014) - [i3]Sivaram Ambikasaran, Michael O'Neil:
Fast symmetric factorization of hierarchical matrices with applications. CoRR abs/1405.0223 (2014) - [i2]Sivaram Ambikasaran, Eric Darve:
The Inverse Fast Multipole Method. CoRR abs/1407.1572 (2014) - [i1]Sivaram Ambikasaran:
Generalized Rybicki Press algorithm. CoRR abs/1409.7852 (2014) - 2013
- [j1]Sivaram Ambikasaran, Eric Darve:
An O (N log N) Fast Direct Solver for Partial Hierarchically Semi-Separable Matrices - With Application to Radial Basis Function Interpolation. J. Sci. Comput. 57(3): 477-501 (2013)
Coauthor Index
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.
Unpaywalled article links
Add open access links from 
to the list of external document links (if available).
Privacy notice: By enabling the option above, your browser will contact the API of unpaywall.org to load hyperlinks to open access articles. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Unpaywall privacy policy.
Archived links via Wayback Machine
For web page which are no longer available, try to retrieve content from the 
of the Internet Archive (if available).
Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from 
, 
, and 
to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from 
.
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2025-05-12 22:43 CEST by the dblp team
all metadata released as open data under CC0 1.0 license
see also: Terms of Use | Privacy Policy | Imprint
dblp was originally created in 1993 at:
since 2018, dblp has been operated and maintained by:
the dblp computer science bibliography is funded and supported by:
